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Gym Equipment
The diameter of wheels for changes from 70-72 inches (for
beginning) and up to 8 inches (for the professionals). A diameter of
wheels for rest 72-76μμ. The diameter of wheels for aggressive driving
55-67μμ. (structure of these wheels almost flat, at the expense of that
is achieved the greatest stability). A diameter of wheels for special
rollers of 78- 82 mm (allow to develop the maximal speed and longer to
save).
The index specifies hardness of a wheel: than it is higher - the
above hardness of a wheel. The rollers with a degree of hardness from
78 up to 82 are most popular. At a soft wheel the force of coupling
with a road is more. It has the large maneuverability and softens
vibration more. The wheel with a high index of hardness is faster and
more effectively on smooth coverings. Also is important of weight of a
body. The man sport equipment with large weight will squeeze a soft wheel. The
elasticity of a wheel depends on the formula of mix used at
manufacturing. In general than above elasticity, the better.
If boots is a head of skates, and wheel - body, bearings - central
nervous system. It is possible to go with bad wheels or in close boots,
but with the broken bearings will not go anywhere. Each wheel has till
two complete sets of bearings - on one from each party.
There is a following classification of bearings: the increased accuracy
and usual accuracy. In this classification the allowable rejections in
an internal and external path to the bearing, in noise level, made by
them are taken into account.
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